package com.dk.controller;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradeFastpayRefundQueryRequest;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradeQueryRequest;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.dk.config.AlipayConfig;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class AlipayController {
    //交易付款
    @RequestMapping("alipayTradePagePay")
    @ResponseBody
    //WIDout_trade_no商户订单号，商户网站订单系统中唯一订单号，必填
    //WIDtotal_amount 付款金额，必填
    // WIDsubject订单名称，必填
    //WIDbody 商品描述，可空
    public String alipayTradePagePay(String WIDout_trade_no,String WIDtotal_amount,String WIDsubject,String WIDbody){
    //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDout_trade_no +"\","
                + "\"total_amount\":\""+ WIDtotal_amount +"\","
                + "\"subject\":\""+ WIDsubject +"\","
                + "\"body\":\""+ WIDbody +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        //alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        //		+ "\"total_amount\":\""+ total_amount +"\","
        //		+ "\"subject\":\""+ subject +"\","
        //		+ "\"body\":\""+ body +"\","
        //		+ "\"timeout_express\":\"10m\","
        //		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = null;
        try {
            result = alipayClient.pageExecute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }

        //输出
        return result;
    }

    @RequestMapping("alipayIndex")
    public String alipayIndex(){
        return "alipay/index";
    }
    //交易查询
    @RequestMapping("alipayTradeQuery")
    @ResponseBody
    //WIDTQout_trade_no:商户订单号，商户网站订单系统中唯一订单号
    //支付宝交易号:WIDTQtrade_no
    public String alipayTradeQuery(String WIDTQout_trade_no,String WIDTQtrade_no) throws Exception {
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeQueryRequest alipayRequest = new AlipayTradeQueryRequest();

      //请二选一设置

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDTQout_trade_no +"\","+"\"trade_no\":\""+ WIDTQtrade_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();

        //输出
        return result;

    }
    //退款
    @RequestMapping("alipayTradeRefund")
    public String alipayTradeRefund(String WIDTRout_trade_no,String WIDTRtrade_no,String WIDTRrefund_amount,String WIDTRrefund_reason,String WIDTRout_request_no) throws Exception {
      //参数说明
        //商户订单号，商户网站订单系统中唯一订单号
        //支付宝交易号
        //需要退款的金额，该金额不能大于订单金额，必填
        //退款的原因说明
        //标识一次退款请求，同一笔交易多次退款需要保证唯一，如需部分退款，则此参数必传


        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeRefundRequest alipayRequest = new AlipayTradeRefundRequest();


        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDTRout_trade_no +"\","
                + "\"trade_no\":\""+ WIDTRtrade_no +"\","
                + "\"refund_amount\":\""+ WIDTRrefund_amount +"\","
                + "\"refund_reason\":\""+ WIDTRrefund_reason +"\","
                + "\"out_request_no\":\""+ WIDTRout_request_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();

        //输出
        System.out.println(result);
        return "refund-success";
    }
    //退款查询
    @RequestMapping("alipayTradeFastpayRefundQuery")
    @ResponseBody
    public String alipayTradeFastpayRefundQuery(String WIDRQout_trade_no,String WIDRQtrade_no,String WIDRQout_request_no) throws Exception {
       //参数说明
        //商户订单号，商户网站订单系统中唯一订单号
        // 支付宝交易号
        // 请求退款接口时，传入的退款请求号，如果在退款请求时未传入，则该值为创建交易时的外部交易号，必填

        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeFastpayRefundQueryRequest alipayRequest = new AlipayTradeFastpayRefundQueryRequest();

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDRQout_trade_no +"\","
                +"\"trade_no\":\""+ WIDRQtrade_no +"\","
                +"\"out_request_no\":\""+ WIDRQout_request_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();

        //输出
        return result;
    }


}
